Lodging of medicinal agents (pill esophagitis) must be ruled out clinically
Drug related must be ruled out clinically
Requires >1500 eosinophils / microliter
Parasitic disease must be ruled out by stool examination
May contain many eosinophils in the infiltrate but they do not predominate
Very rare in esophagus
Milk protein enteropathy must be ruled out clinically especially in infants
Churg Strauss vasculitis
Endoscopic appearance is variable
May be normal
Erosions, ulceration, exudate
Stricture, Schatzi ring
Noffsinger A, Fenoglio-Preiser CM, Maru D, Gilinisky N. Gastrointestinal Diseases, AFIP Atlas of Nontumor Pathology, First Series, Fascicle 5, 2007.
Wang HH, Zeroogian JM, Spechler SJ, Goyal RK, Antonioli DA. Prevalence and significance of pancreatic acinar metaplasia at the gastroesophageal junction. Am J Surg Pathol. 1996 Dec;20(12):1507-10.
Parfitt JR, Gregor JC, Suskin NG, Jawa HA, Driman DK. Eosinophilic esophagitis in adults: distinguishing features from gastroesophageal reflux disease: a study of 41 patients. Mod Pathol. 2006 Jan;19(1):90-6.